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206090499371 = 2776591128997
BaseRepresentation
bin1011111111101111110…
…0110111010100101011
3201200221210122002222012
42333323330313110223
511334033131434441
6234402054350135
720614054224641
oct2777374672453
9650853562865
10206090499371
117a447794559
1233b3735b34b
1316585083263
149d90d2b191
155562ed69eb
hex2ffbf3752b

206090499371 has 8 divisors (see below), whose sum is σ = 207148553040. Its totient is φ = 205034705568.

The previous prime is 206090499359. The next prime is 206090499379. The reversal of 206090499371 is 173994090602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-206090499371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (206090499379) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 381956 + ... + 747041.

It is an arithmetic number, because the mean of its divisors is an integer number (25893569130).

Almost surely, 2206090499371 is an apocalyptic number.

206090499371 is a deficient number, since it is larger than the sum of its proper divisors (1058053669).

206090499371 is a wasteful number, since it uses less digits than its factorization.

206090499371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1129933.

The product of its (nonzero) digits is 734832, while the sum is 50.

The spelling of 206090499371 in words is "two hundred six billion, ninety million, four hundred ninety-nine thousand, three hundred seventy-one".

Divisors: 1 277 659 182543 1128997 312732169 744009023 206090499371